table.treetable span.indenter {
	display: inline-block;
	margin: 0;
	padding: 0;
	text-align: right;
	/* Disable text selection of nodes (for better D&D UX) */
	user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-o-user-select: none;
	-webkit-user-select: none;
	/* Force content-box box model for indenter (Bootstrap compatibility) */
	-webkit-box-sizing: content-box;
	-moz-box-sizing: content-box;
	box-sizing: content-box;
	width: 19px;
}

table.treetable span.indenter a {
	background-position: left center;
	background-repeat: no-repeat;
	display: inline-block;
	text-decoration: none;
	width: 19px;
	background: url('index.png');
}